怎么在Java中利用swing框架实现一个贪吃蛇游戏
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具体代码：
package Tcs;
/**
*
*
*
* @author tx
*/
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Snack extends JPanel implements KeyListener {
public JButton bt = new JButton("重新开始");
public ArrayList bw = new ArrayList();
public body[] b = new body[5];
public String state = "";
public ArrayList p = new ArrayList();
public static int score;
public Snack() {
this.addKeyListener(this);
shengc();
}
public void shengc() {
for (int i = 0; i < b.length; i++) {
b[i] = new body();
b[i].x = 10 - i * 10;
b[i].y = 150;
}
}
public int x = 0, y = 0;
public void paint(Graphics g) {
super.paint(g);
g.setColor(new Color(165,41,10));//RGB定义颜色的方法
g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 20));
for (int i = 0; i < b.length; i++) {
body z1 = b[i];
g.drawString("O", b[i].x, b[i].y);
}
g.setColor(Color.BLUE);
g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 20));
g.drawString("SCORE:" + score, 30, 30);
paintjs(g);
paintbw(g);
}
public void paintjs(Graphics g) {
g.setColor(Color.BLACK);
if (state.length() > 1) {
g.drawString(state, 140, 200);
}
}
public void paintbw(Graphics g) {
g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 25));
g.setColor(Color.RED);
for (int i = 0; i < bw.size(); i++) {
g.drawString("o", bw.get(i).x, bw.get(i).y);
}
}
public boolean yj() {
if ((b[0].x < 400 && b[0].x > 0) && (b[0].y < 400 && b[0].y > 0)) {
return false;
} else {
state = "GAME OVER";
return true;
}
}
public void stmove() {
if (pzjc() == false && (yj() == false)) {
b[0].speed = 8;//此处可提升速度增加难度
b[0].move();
p.add(new point(b[0].x, b[0].y, b[0].fx));
if (p.size() > b.length) {
p.remove(p.get(0));
// System.out.println(p.size());
}
}
}
public int jl(body a, Treasure b) {
int jl = 0;
jl = (int) Math.sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y)
* (a.y - b.y));
return jl;
}// 暂时无用
public void ssmove() {
if (p.size() >= b.length) {
for (int i = 0; i < b.length - 1; i++) {
b[i + 1].fx = p.get(i).fx;
b[i + 1].x = p.get(i).x;
b[i + 1].y = p.get(i).y;
}
}
}
Random r = new Random();
public void bzbw() {
if (bw.size() < 1) {
Treasure s = new Treasure();
s.x = r.nextInt(300) + 50;
s.y = r.nextInt(300) + 50;
bw.add(s);
}
}
public void bwxs() {
Timer t = new Timer();
t.schedule(new TimerTask() {
public void run() {
}
}, 0, 8000);
}
public boolean pzjc() {
for (int i = 1; i < p.size(); i++) {
if (p.get(0).equals(p.get(i))) {
state = "GAME OVER";
return true;
}
}
return false;
}
public void crush() {
if (bw.size() > 0) {
if (jl(b[0], bw.get(0)) < 8) {
bw.remove(0);
b = Arrays.copyOf(b, b.length + 1);
b[b.length - 1] = new body();
score += 10;
}
}
}
public void gameover() {
MouseListener k = new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
super.mouseClicked(e);
state = "";
b = Arrays.copyOf(b, 5);
p.clear();
shengc();
score = 0;
bt.setVisible(false);
}
};
if (state.length() > 1) {
this.add(bt);
bt.setVisible(true);
bt.setBounds(150, 150, 100, 30);
bt.addMouseListener(k);
}
if(bt.isVisible()==false){this.remove(bt);}
this.requestFocus();
}
public void zmAction() {
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
bzbw();// 生成宝物
stmove();// 蛇头运动
ssmove();// 蛇身运动
crush();// 碰撞检测
gameover();
repaint();
}
}, 10, 83);
}
public static void main(String[] args) {
JFrame jf = new JFrame("创新互联 - 贪吃蛇游戏测试");
jf.setBounds(0, 0, 400, 400);
jf.setVisible(true);
jf.setLayout(null);
Container c = new Container();
c = jf.getContentPane();
c.setBackground(Color.WHITE);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Snack s = new Snack();
s.setVisible(true);
s.setBounds(0, 0, 600, 600);
s.setLocation(0, 0);
s.setBackground(Color.ORANGE);
jf.add(s);
s.zmAction();
s.requestFocus();
}
public void keyTyped(KeyEvent e) {
}
public void keyPressed(KeyEvent e) {
int k = e.getKeyCode();
switch (k) {
case KeyEvent.VK_UP:
if (b[0].fx != "sz" && b[0].fx != "xz") {
b[0].fx = "sz";
}
break;
case KeyEvent.VK_DOWN:
if (b[0].fx != "sz" && b[0].fx != "xz") {
b[0].fx = "xz";
}
break;
case KeyEvent.VK_LEFT:
if (b[0].fx != "zz" && b[0].fx != "yz") {
b[0].fx = "zz";
}
break;
case KeyEvent.VK_RIGHT:
if (b[0].fx != "zz" && b[0].fx != "yz") {
b[0].fx = "yz";
}
break;
}
repaint();
}
public void keyReleased(KeyEvent e) {
}
} body类
package Tcs;
public class body {
public int x=0;
public int y=0;
public int speed;
private String str;
public String fx;
public body(){
fx="yz";
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
public void sz(){
this.y+=-speed;
}
public void xz(){
this.y+=speed;
}
public void zz(){
this.x+=-speed;
}
public void yz(){
this.x+=speed;
}
public void move(){
if(fx=="xz"){
xz();
}
if(fx=="sz"){
sz();
}
if(fx=="zz"){
zz();
}
if(fx=="yz"){
yz();
}
}
}宝物类
package Tcs;
public class Treasure {
public int x;
public int y;
public String str;
}point类
package Tcs;
public class point {
public int x;
public int y;
public String fx;
public point(int x,int y,String fx){
this.x=x;
this.y=y;
this.fx=fx;
}
public boolean equals(Object o){
if(o instanceof point){
point p=(point)o;
if(p.x==this.x&&p.y==this.y){
return true;
}
}
if(o==this){return true;}
if(o==null){return false;}
return false;}
}关于怎么在Java中利用swing框架实现一个贪吃蛇游戏就分享到这里了，希望以上内容可以对大家有一定的帮助，可以学到更多知识。如果觉得文章不错，可以把它分享出去让更多的人看到。
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